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Heart|Lab Grown|IGI

4.31ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG811634649

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811634649

Diamond specifications and retailer prices

From HK$32,732 HKD
$4,172 USD
As of October 30, 2026
Save HK$193,381 HKD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$226,113 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.31ct lab-grown heart diamond

This 4.31ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811634649 or 811634649. Listed at 12 retailers as of October 30, 2026, with prices from HK$32,732 to HK$226,113, a HK$193,381 spread on the same certified stone. Do Amore Diamonds lists it at HK$226,113. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634649
Dimensions10.97 × 9.88 × 6.61 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.97 mm9.88 mm4.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634649
Side View
Table 59.0%Crown 36.9°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$226,113 HKD|Low: HK$32,732 HKD|High: HK$253,338 HKD|Avg: HK$81,517 HKD|-10.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 6HK$32,732 HKD
Retailer 3HK$34,450 HKD
Retailer 10HK$35,447 HKD
Retailer 13HK$38,522 HKD
Retailer 4HK$38,828 HKD
Retailer 11HK$49,616 HKD
Retailer 12HK$52,590 HKD
Retailer 9HK$59,031 HKD
Retailer 7HK$72,906 HKD
Retailer 5HK$82,707 HKD
Retailer 8HK$87,614 HKD
Retailer 2HK$125,374 HKD
Do Amore DiamondsHK$226,113 HKD

29 data points across 13 retailers

12 retailersHK$32,732 HKD to HK$226,113 HKD

A
Cheapest Retailer
-
HK$32,732 HKD
$4,172 USD
A
Retailer 2
-
HK$34,450 HKD
$4,391 USD
View
A
Retailer 3
-
HK$35,447 HKD
$4,518 USD
View
A
Retailer 4
-
HK$38,522 HKD
$4,910 USD
View
A
Retailer 5
-
HK$38,828 HKD
$4,949 USD
View
A
Retailer 6
-
HK$49,616 HKD
$6,324 USD
View
A
Retailer 7
-
HK$52,590 HKD
$6,703 USD
View
A
Retailer 8
-
HK$59,031 HKD
$7,524 USD
View
A
Retailer 9
-
HK$72,906 HKD
€8,850 EUR
View
B+
Retailer 10
-
HK$87,614 HKD
£8,793 GBP
View
B+
Retailer 11
-
HK$125,374 HKD
$15,980 USD
View
Most Expensive
B
Do Amore Diamonds
27-9DF32E853 · Oct 31
HK$226,113 HKD
$28,820 USD
View
11 more retailers have this diamond
Prices start from HK$32,732 HKDSave up to HK$193,381 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.31ct Heart
HK$32,732 HKD